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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-22 20:19:01 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-22 20:19:01 +0100
commit2bbf6078dc948e87564c1a947f23ea4cf2349a13 (patch)
tree2fc93ee7a26febb4ff9554e40043f8e097726c6d /arch
parent02e79476998ba7e62842d20dca898c403ad55c7e (diff)
parentb8101048f0f3cd281ed4c4901e38ae2bcfb32030 (diff)
downloadblackbird-op-linux-2bbf6078dc948e87564c1a947f23ea4cf2349a13.tar.gz
blackbird-op-linux-2bbf6078dc948e87564c1a947f23ea4cf2349a13.zip
Merge branch 'asoc-omap' into for-3.7
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/board-am3517evm.c13
-rw-r--r--arch/arm/mach-omap2/mcbsp.c126
-rw-r--r--arch/arm/plat-omap/include/plat/mcbsp.h2
3 files changed, 20 insertions, 121 deletions
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 18f601096ce1..592812af84da 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -264,6 +264,16 @@ static __init void am3517_evm_musb_init(void)
usb_musb_init(&musb_board_data);
}
+static __init void am3517_evm_mcbsp1_init(void)
+{
+ u32 devconf0;
+
+ /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
+ devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+ devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
+ omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
+}
+
static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
@@ -373,6 +383,9 @@ static void __init am3517_evm_init(void)
/* MUSB */
am3517_evm_musb_init();
+ /* McBSP1 */
+ am3517_evm_mcbsp1_init();
+
/* MMC init function */
omap_hsmmc_init(mmc);
}
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 577cb77db26c..d57a3578bf03 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -15,6 +15,7 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -25,8 +26,6 @@
#include <plat/omap_device.h>
#include <linux/pm_runtime.h>
-#include "control.h"
-
/*
* FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle.
* Sidetone needs non-gated ICLK and sidetone autoidle is broken.
@@ -34,112 +33,6 @@
#include "cm2xxx_3xxx.h"
#include "cm-regbits-34xx.h"
-/* McBSP1 internal signal muxing function for OMAP2/3 */
-static int omap2_mcbsp1_mux_rx_clk(struct device *dev, const char *signal,
- const char *src)
-{
- u32 v;
-
- v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
-
- if (!strcmp(signal, "clkr")) {
- if (!strcmp(src, "clkr"))
- v &= ~OMAP2_MCBSP1_CLKR_MASK;
- else if (!strcmp(src, "clkx"))
- v |= OMAP2_MCBSP1_CLKR_MASK;
- else
- return -EINVAL;
- } else if (!strcmp(signal, "fsr")) {
- if (!strcmp(src, "fsr"))
- v &= ~OMAP2_MCBSP1_FSR_MASK;
- else if (!strcmp(src, "fsx"))
- v |= OMAP2_MCBSP1_FSR_MASK;
- else
- return -EINVAL;
- } else {
- return -EINVAL;
- }
-
- omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
-
- return 0;
-}
-
-/* McBSP4 internal signal muxing function for OMAP4 */
-#define OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX (1 << 31)
-#define OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX (1 << 30)
-static int omap4_mcbsp4_mux_rx_clk(struct device *dev, const char *signal,
- const char *src)
-{
- u32 v;
-
- /*
- * In CONTROL_MCBSPLP register only bit 30 (CLKR mux), and bit 31 (FSR
- * mux) is used */
- v = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MCBSPLP);
-
- if (!strcmp(signal, "clkr")) {
- if (!strcmp(src, "clkr"))
- v &= ~OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX;
- else if (!strcmp(src, "clkx"))
- v |= OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX;
- else
- return -EINVAL;
- } else if (!strcmp(signal, "fsr")) {
- if (!strcmp(src, "fsr"))
- v &= ~OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX;
- else if (!strcmp(src, "fsx"))
- v |= OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX;
- else
- return -EINVAL;
- } else {
- return -EINVAL;
- }
-
- omap4_ctrl_pad_writel(v, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MCBSPLP);
-
- return 0;
-}
-
-/* McBSP CLKS source switching function */
-static int omap2_mcbsp_set_clk_src(struct device *dev, struct clk *clk,
- const char *src)
-{
- struct clk *fck_src;
- char *fck_src_name;
- int r;
-
- if (!strcmp(src, "clks_ext"))
- fck_src_name = "pad_fck";
- else if (!strcmp(src, "clks_fclk"))
- fck_src_name = "prcm_fck";
- else
- return -EINVAL;
-
- fck_src = clk_get(dev, fck_src_name);
- if (IS_ERR_OR_NULL(fck_src)) {
- pr_err("omap-mcbsp: %s: could not clk_get() %s\n", "clks",
- fck_src_name);
- return -EINVAL;
- }
-
- pm_runtime_put_sync(dev);
-
- r = clk_set_parent(clk, fck_src);
- if (IS_ERR_VALUE(r)) {
- pr_err("omap-mcbsp: %s: could not clk_set_parent() to %s\n",
- "clks", fck_src_name);
- clk_put(fck_src);
- return -EINVAL;
- }
-
- pm_runtime_get_sync(dev);
-
- clk_put(fck_src);
-
- return 0;
-}
-
static int omap3_enable_st_clock(unsigned int id, bool enable)
{
unsigned int w;
@@ -181,17 +74,11 @@ static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
pdata->reg_size = 4;
pdata->has_ccr = true;
}
- pdata->set_clk_src = omap2_mcbsp_set_clk_src;
-
- /* On OMAP2/3 the McBSP1 port has 6 pin configuration */
- if (id == 1 && oh->class->rev < MCBSP_CONFIG_TYPE4)
- pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
- /* On OMAP4 the McBSP4 port has 6 pin configuration */
- if (id == 4 && oh->class->rev == MCBSP_CONFIG_TYPE4)
- pdata->mux_signal = omap4_mcbsp4_mux_rx_clk;
-
- if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
+ if (oh->class->rev == MCBSP_CONFIG_TYPE2) {
+ /* The FIFO has 128 locations */
+ pdata->buffer_size = 0x80;
+ } else if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
if (id == 2)
/* The FIFO has 1024 + 256 locations */
pdata->buffer_size = 0x500;
@@ -227,7 +114,8 @@ static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
static int __init omap2_mcbsp_init(void)
{
- omap_hwmod_for_each_by_class("mcbsp", omap_init_mcbsp, NULL);
+ if (!of_have_populated_dt())
+ omap_hwmod_for_each_by_class("mcbsp", omap_init_mcbsp, NULL);
return 0;
}
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index 18814127809a..c78d90b28b19 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -47,8 +47,6 @@ struct omap_mcbsp_platform_data {
bool has_wakeup; /* Wakeup capability */
bool has_ccr; /* Transceiver has configuration control registers */
int (*enable_st_clock)(unsigned int, bool);
- int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src);
- int (*mux_signal)(struct device *dev, const char *signal, const char *src);
};
/**
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